<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>创建类和生成实例</title>
  </head>
  <body>
    <script>
      // 1、创建一个明星类
      class Star {
        constructor(uname, age) {
          this.uname = uname;
          this.age = age;
        }

        sing(song) {
          console.log(this.uname + '唱：' + song);
        }
      }

      // 2、生成实例
      var ldh = new Star('刘德华', 18);
      var zxy = new Star('张学友', 20);
      console.log(ldh.uname + '今年' + ldh.age + '岁了');
      zxy.sing('李香兰');
    </script>
  </body>
</html>
